Smart React Component test

ButtonBash.test.jsx

import { shallow } from 'enzyme';
import * as React from 'react';
import { ButtonBash } from './buttonBash';
import { Button } from './button';

describe('<ButtonBash />', () => {
  it('renders a button and a bash count', () => {
     let component = shallow(<ButtonBash />);
     expect(component.contains(<p>Bashes: 0</p>).toBeTruthy();
  });
  it('updates the count after bashing', () => {
    let component = shallow(<ButtonBash />);
    component.find(Button).props().onClick();
    expect(component.contains(<p>Bashes: 1</p>).toBeTruthy();
  });
});